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385141656984 = 23372180972
BaseRepresentation
bin1011001101011000011…
…10110100110110011000
31100211010011222100011020
411212230032310312120
522302232231010414
6452533122202440
736553112032500
oct5465416646630
91324104870136
10385141656984
11139379474377
12627871b3420
132a41b25c8b6
14148d8ad4a00
15a0422667a9
hex59ac3b4d98

385141656984 has 72 divisors (see below), whose sum is σ = 1120116713940. Its totient is φ = 110034392832.

The previous prime is 385141656971. The next prime is 385141657009. The reversal of 385141656984 is 489656141583.

It is a super-2 number, since 2×3851416569842 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21273024 + ... + 21291120.

Almost surely, 2385141656984 is an apocalyptic number.

It is an amenable number.

385141656984 is an abundant number, since it is smaller than the sum of its proper divisors (734975056956).

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

385141656984 is an frugal number, since it uses more digits than its factorization.

385141656984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36217 (or 18109 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 60.

The spelling of 385141656984 in words is "three hundred eighty-five billion, one hundred forty-one million, six hundred fifty-six thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 18097 36194 54291 72388 108582 126679 144776 217164 253358 380037 434328 506716 760074 886753 1013432 1520148 1773506 2660259 3040296 3547012 5320518 7094024 10641036 21282072 327501409 655002818 982504227 1310005636 1965008454 2292509863 2620011272 3930016908 4585019726 6877529589 7860033816 9170039452 13755059178 16047569041 18340078904 27510118356 32095138082 48142707123 55020236712 64190276164 96285414246 128380552328 192570828492 385141656984