Search a number
-
+
101145863836900 = 2252127279192
BaseRepresentation
bin10110111111110111011011…
…010010001101010011100100
3111021010110011011021121112101
4112333313123102031103210
5101224133212120240100
6555041433545301444
730206355540066061
oct2677673322152344
9437113134247471
10101145863836900
112a2567a12a5703
12b4168b5194884
134459024aa673c
141ad96b356dc68
15ba608194586a
hex5bfddb48d4e4

101145863836900 has 81 divisors (see below), whose sum is σ = 221256312998889. Its totient is φ = 40134707091360.

The previous prime is 101145863836861. The next prime is 101145863836903. The reversal of 101145863836900 is 9638368541101.

The square root of 101145863836900 is 10057130.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 36412510981284 + 64733352855616 = 6034278^2 + 8045704^2 .

It is a super-2 number, since 2×1011458638369002 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101145863836903) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12772551141 + ... + 12772559059.

Almost surely, 2101145863836900 is an apocalyptic number.

101145863836900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101145863836900 is the 10057130-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101145863836900

101145863836900 is an abundant number, since it is smaller than the sum of its proper divisors (120110449161989).

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

101145863836900 is an frugal number, since it uses more digits than its factorization.

101145863836900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16106 (or 8053 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 101145863836900 in words is "one hundred one trillion, one hundred forty-five billion, eight hundred sixty-three million, eight hundred thirty-six thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 127 254 508 635 1270 2540 3175 6350 7919 12700 15838 16129 31676 32258 39595 64516 79190 80645 158380 161290 197975 322580 395950 403225 791900 806450 1005713 1612900 2011426 4022852 5028565 10057130 20114260 25142825 50285650 62710561 100571300 125421122 127725551 250842244 255451102 313552805 510902204 627105610 638627755 1254211220 1277255510 1567764025 2554511020 3135528050 3193138775 6271056100 6386277550 7964241247 12772555100 15928482494 31856964988 39821206235 79642412470 159284824940 199106031175 398212062350 796424124700 1011458638369 2022917276738 4045834553476 5057293191845 10114586383690 20229172767380 25286465959225 50572931918450 101145863836900