Search a number
-
+
31164407100 = 22335211542373
BaseRepresentation
bin11101000001100010…
…110001110100111100
32222102220022220122000
4131001202301310330
51002311042011400
622152225222300
72152166042511
oct350142616474
988386286560
1031164407100
111224254a352
126058a91990
132c286a6998
141718d51308
15c25e83600
hex7418b1d3c

31164407100 has 72 divisors (see below), whose sum is σ = 100187806320. Its totient is φ = 8310507840.

The previous prime is 31164407023. The next prime is 31164407117. The reversal of 31164407100 is 170446113.

It is a happy number.

31164407100 is a `hidden beast` number, since 3 + 1 + 1 + 644 + 0 + 7 + 10 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5768487 + ... + 5773886.

It is an arithmetic number, because the mean of its divisors is an integer number (1391497310).

Almost surely, 231164407100 is an apocalyptic number.

31164407100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31164407100 is an abundant number, since it is smaller than the sum of its proper divisors (69023399220).

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

31164407100 is a wasteful number, since it uses less digits than its factorization.

31164407100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542396 (or 11542383 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 31164407100 in words is "thirty-one billion, one hundred sixty-four million, four hundred seven thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 90 100 108 135 150 180 225 270 300 450 540 675 900 1350 2700 11542373 23084746 34627119 46169492 57711865 69254238 103881357 115423730 138508476 173135595 207762714 230847460 288559325 311644071 346271190 415525428 519406785 577118650 623288142 692542380 865677975 1038813570 1154237300 1246576284 1558220355 1731355950 2077627140 2597033925 3116440710 3462711900 5194067850 6232881420 7791101775 10388135700 15582203550 31164407100