Search a number
-
+
68853470020752 = 24313121615067089
BaseRepresentation
bin11111010011111001100101…
…00111110100010010010000
3100000210022211201012011001010
433221330302213310102100
533011043401311131002
6402234503015010520
720334333113431224
oct1751746247642220
9300708751164033
1068853470020752
111aa3665790302a
12788031b969a40
132c55b1505c941
141300750864784
157e608413946c
hex3e9f329f4490

68853470020752 has 80 divisors (see below), whose sum is σ = 179312235157440. Its totient is φ = 22765412966400.

The previous prime is 68853470020747. The next prime is 68853470020787. The reversal of 68853470020752 is 25702007435886.

It is a junction number, because it is equal to n+sod(n) for n = 68853470020692 and 68853470020701.

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, 11054824 + ... + 16121912.

It is an arithmetic number, because the mean of its divisors is an integer number (2241402939468).

Almost surely, 268853470020752 is an apocalyptic number.

It is an amenable number.

68853470020752 is an abundant number, since it is smaller than the sum of its proper divisors (110458765136688).

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

68853470020752 is a wasteful number, since it uses less digits than its factorization.

68853470020752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069392 (or 5069386 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 68853470020752 in words is "sixty-eight trillion, eight hundred fifty-three billion, four hundred seventy million, twenty thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 131 262 393 524 786 1048 1572 2096 2161 3144 4322 6288 6483 8644 12966 17288 25932 34576 51864 103728 283091 566182 849273 1132364 1698546 2264728 3397092 4529456 5067089 6794184 10134178 13588368 15201267 20268356 30402534 40536712 60805068 81073424 121610136 243220272 663788659 1327577318 1991365977 2655154636 3982731954 5310309272 7965463908 10620618544 10949979329 15930927816 21899958658 31861855632 32849937987 43799917316 65699875974 87599834632 131399751948 175199669264 262799503896 525599007792 1434447292099 2868894584198 4303341876297 5737789168396 8606683752594 11475578336792 17213367505188 22951156673584 34426735010376 68853470020752