Search a number
-
+
100990280232 = 23321499935719
BaseRepresentation
bin101111000001101111…
…1010110001000101000
3100122200012000210100100
41132003133112020220
53123312002431412
6114221100105400
710203430134612
oct1360337261050
9318605023310
10100990280232
1139914420316
12176a5535260
1396a5a2578a
144c6079bdb2
15296114aedc
hex17837d6228

100990280232 has 48 divisors (see below), whose sum is σ = 273698100000. Its totient is φ = 33640933536.

The previous prime is 100990280231. The next prime is 100990280317. The reversal of 100990280232 is 232082099001.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (100990280231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359932 + ... + 575787.

It is an arithmetic number, because the mean of its divisors is an integer number (5702043750).

Almost surely, 2100990280232 is an apocalyptic number.

100990280232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100990280232 is an abundant number, since it is smaller than the sum of its proper divisors (172707819768).

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

100990280232 is a wasteful number, since it uses less digits than its factorization.

100990280232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937230 (or 937223 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 100990280232 in words is "one hundred billion, nine hundred ninety million, two hundred eighty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1499 2998 4497 5996 8994 11992 13491 17988 26982 35976 53964 107928 935719 1871438 2807157 3742876 5614314 7485752 8421471 11228628 16842942 22457256 33685884 67371768 1402642781 2805285562 4207928343 5610571124 8415856686 11221142248 12623785029 16831713372 25247570058 33663426744 50495140116 100990280232