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316161006352 = 24172634619587
BaseRepresentation
bin1001001100111001010…
…10100001101100010000
31010020001210201012201221
410212130222201230100
520134444204200402
6401124203334424
731561523133052
oct4463452415420
91106053635657
10316161006352
111120a07115a4
1251335821414
1323a77068669
14114336258d2
1583563aa337
hex499caa1b10

316161006352 has 80 divisors (see below), whose sum is σ = 652541484672. Its totient is φ = 147879004160.

The previous prime is 316161006311. The next prime is 316161006367. The reversal of 316161006352 is 253600161613.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32973303 + ... + 32982889.

Almost surely, 2316161006352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316161006352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326270742336).

316161006352 is an abundant number, since it is smaller than the sum of its proper divisors (336380478320).

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

316161006352 is a wasteful number, since it uses less digits than its factorization.

316161006352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10336 (or 10330 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 316161006352 its reverse (253600161613), we get a palindrome (569761167965).

The spelling of 316161006352 in words is "three hundred sixteen billion, one hundred sixty-one million, six thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 17 34 68 136 263 272 461 526 922 1052 1844 2104 3688 4208 4471 7376 7837 8942 9587 15674 17884 19174 31348 35768 38348 62696 71536 76696 121243 125392 153392 162979 242486 325958 484972 651916 969944 1303832 1939888 2061131 2521381 2607664 4122262 4419607 5042762 8244524 8839214 10085524 16489048 17678428 20171048 32978096 35356856 40342096 42863477 70713712 75133319 85726954 150266638 171453908 300533276 342907816 601066552 685815632 1162356641 1202133104 2324713282 4649426564 9298853128 18597706256 19760062897 39520125794 79040251588 158080503176 316161006352