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10354211440 = 245533736547
BaseRepresentation
bin10011010010010100…
…01011101001110000
3222201121021102212121
421221022023221300
5132201134231230
64431234404024
7514405226236
oct115112135160
928647242777
1010354211440
114433756341
12200b730614
13c901b9541
14703208956
1540902977a
hex26928ba70

10354211440 has 80 divisors (see below), whose sum is σ = 24597273888. Its totient is φ = 4052026368.

The previous prime is 10354211429. The next prime is 10354211467. The reversal of 10354211440 is 4411245301.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×103542114403 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1578247 + ... + 1584793.

Almost surely, 210354211440 is an apocalyptic number.

10354211440 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 10354211440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12298636944).

10354211440 is an abundant number, since it is smaller than the sum of its proper divisors (14243062448).

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

10354211440 is a wasteful number, since it uses less digits than its factorization.

10354211440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986 (or 6980 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10354211440 its reverse (4411245301), we get a palindrome (14765456741).

The spelling of 10354211440 in words is "ten billion, three hundred fifty-four million, two hundred eleven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 53 80 106 212 265 373 424 530 746 848 1060 1492 1865 2120 2984 3730 4240 5968 6547 7460 13094 14920 19769 26188 29840 32735 39538 52376 65470 79076 98845 104752 130940 158152 197690 261880 316304 346991 395380 523760 693982 790760 1387964 1581520 1734955 2442031 2775928 3469910 4884062 5551856 6939820 9768124 12210155 13879640 19536248 24420310 27759280 39072496 48840620 97681240 129427643 195362480 258855286 517710572 647138215 1035421144 1294276430 2070842288 2588552860 5177105720 10354211440