Search a number
-
+
1025041302260 = 2253137431039153
BaseRepresentation
bin11101110101010010011…
…10010000001011110100
310121222210220001101100022
432322221032100023310
5113243241033133020
62102521504304312
7134025323211113
oct16725116201364
93558726041308
101025041302260
11365799101a18
121467b0312098
1375879233561
14378800a1c7a
151b9e4d96625
hexeea93902f4

1025041302260 has 96 divisors (see below), whose sum is σ = 2335153615872. Its totient is φ = 377087477760.

The previous prime is 1025041302253. The next prime is 1025041302269. The reversal of 1025041302260 is 622031405201.

It is a happy number.

1025041302260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10250413022602 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025041302269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466844 + ... + 1505996.

It is an arithmetic number, because the mean of its divisors is an integer number (24324516832).

Almost surely, 21025041302260 is an apocalyptic number.

1025041302260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025041302260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167576807936).

1025041302260 is an abundant number, since it is smaller than the sum of its proper divisors (1310112313612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025041302260 is a wasteful number, since it uses less digits than its factorization.

1025041302260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039273 (or 1039271 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1025041302260 its reverse (622031405201), we get a palindrome (1647072707461).

The spelling of 1025041302260 in words is "one trillion, twenty-five billion, forty-one million, three hundred two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 31 37 43 62 74 86 124 148 155 172 185 215 310 370 430 620 740 860 1147 1333 1591 2294 2666 3182 4588 5332 5735 6364 6665 7955 11470 13330 15910 22940 26660 31820 49321 98642 197284 246605 493210 986420 1039153 2078306 4156612 5195765 10391530 20783060 32213743 38448661 44683579 64427486 76897322 89367158 128854972 153794644 161068715 178734316 192243305 223417895 322137430 384486610 446835790 644274860 768973220 893671580 1191908491 1385190949 1653292423 2383816982 2770381898 3306584846 4767633964 5540763796 5959542455 6613169692 6925954745 8266462115 11919084910 13851909490 16532924230 23838169820 27703818980 33065848460 51252065113 102504130226 205008260452 256260325565 512520651130 1025041302260