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32030121420 = 223251116176829
BaseRepresentation
bin11101110101001001…
…001101110111001100
310001200020022202102100
4131311021031313030
51011044202341140
622414152355100
72212510353123
oct356511156714
9101606282370
1032030121420
1112647194330
12625a9a5a90
133035b5778b
14179bd04aba
15c76e8b530
hex77524ddcc

32030121420 has 72 divisors (see below), whose sum is σ = 105990590160. Its totient is φ = 7764877440.

The previous prime is 32030121407. The next prime is 32030121421. The reversal of 32030121420 is 2412103023.

32030121420 is a `hidden beast` number, since 320 + 301 + 2 + 1 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32030121393 and 32030121402.

It is not an unprimeable number, because it can be changed into a prime (32030121421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8086435 + ... + 8090394.

It is an arithmetic number, because the mean of its divisors is an integer number (1472091530).

Almost surely, 232030121420 is an apocalyptic number.

32030121420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32030121420 is an abundant number, since it is smaller than the sum of its proper divisors (73960468740).

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

32030121420 is a wasteful number, since it uses less digits than its factorization.

32030121420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16176855 (or 16176850 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 32030121420 its reverse (2412103023), we get a palindrome (34442224443).

The spelling of 32030121420 in words is "thirty-two billion, thirty million, one hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 16176829 32353658 48530487 64707316 80884145 97060974 145591461 161768290 177945119 194121948 242652435 291182922 323536580 355890238 485304870 533835357 582365844 711780476 727957305 889725595 970609740 1067670714 1455914610 1601506071 1779451190 2135341428 2669176785 2911829220 3203012142 3558902380 5338353570 6406024284 8007530355 10676707140 16015060710 32030121420