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100405213004 = 221131978831277
BaseRepresentation
bin101110110000010011…
…1011111011101001100
3100121011102010021222202
41131200213133131030
53121112213304004
6114043040101032
710153064141345
oct1354047373514
9317142107882
10100405213004
1139644141688
1217561604778
139611757a55
144c06bc10cc
152929accb1e
hex17609df74c

100405213004 has 48 divisors (see below), whose sum is σ = 178505335008. Its totient is φ = 49410966528.

The previous prime is 100405213001. The next prime is 100405213049. The reversal of 100405213004 is 400312504001.

100405213004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1004052130042 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100405213001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78625214 + ... + 78626490.

It is an arithmetic number, because the mean of its divisors is an integer number (3718861146).

Almost surely, 2100405213004 is an apocalyptic number.

It is an amenable number.

100405213004 is a deficient number, since it is larger than the sum of its proper divisors (78100122004).

100405213004 is a wasteful number, since it uses less digits than its factorization.

100405213004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 100405213004 its reverse (400312504001), we get a palindrome (500717717005).

The spelling of 100405213004 in words is "one hundred billion, four hundred five million, two hundred thirteen thousand, four".

Divisors: 1 2 4 113 197 226 394 452 788 883 1277 1766 2554 3532 5108 22261 44522 89044 99779 144301 173951 199558 251569 288602 347902 399116 503138 577204 695804 1006276 1127591 2255182 4510364 19656463 28427297 39312926 56854594 78625852 113709188 127417783 222135427 254835566 444270854 509671132 888541708 25101303251 50202606502 100405213004