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238490349312 = 2831916343911
BaseRepresentation
bin1101111000011100100…
…0011110111100000000
3211210120210200000120110
43132013020132330000
512401412012134222
6301321055511320
723142004343565
oct3360710367400
9753523600513
10238490349312
1192163648346
123a279b28540
13196496b08b7
14b785d9686c
15630c65730c
hex378721ef00

238490349312 has 72 divisors (see below), whose sum is σ = 668139122560. Its totient is φ = 75312737280.

The previous prime is 238490349257. The next prime is 238490349367. The reversal of 238490349312 is 213943094832.

It is an interprime number because it is at equal distance from previous prime (238490349257) and next prime (238490349367).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8157364 + ... + 8186547.

Almost surely, 2238490349312 is an apocalyptic number.

It is an amenable number.

238490349312 is an abundant number, since it is smaller than the sum of its proper divisors (429648773248).

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

238490349312 is a wasteful number, since it uses less digits than its factorization.

238490349312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16343949 (or 16343935 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 238490349312 in words is "two hundred thirty-eight billion, four hundred ninety million, three hundred forty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 128 152 192 228 256 304 384 456 608 768 912 1216 1824 2432 3648 4864 7296 14592 16343911 32687822 49031733 65375644 98063466 130751288 196126932 261502576 310534309 392253864 523005152 621068618 784507728 931602927 1046010304 1242137236 1569015456 1863205854 2092020608 2484274472 3138030912 3726411708 4184041216 4968548944 6276061824 7452823416 9937097888 12552123648 14905646832 19874195776 29811293664 39748391552 59622587328 79496783104 119245174656 238490349312