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52051400156420 = 22572136738854187
BaseRepresentation
bin10111101010111001010010…
…01101110110010100000100
320211022001202120110121020222
423311130221031312110010
523310302231420001140
6302412025542043512
713651406135145500
oct1365345115662404
9224261676417228
1052051400156420
1115648969458195
125a07ab0719598
13230756cb2ba92
14cbd43073b300
15603e9a3a85b5
hex2f5729376504

52051400156420 has 72 divisors (see below), whose sum is σ = 127247154866496. Its totient is φ = 17833138873536.

The previous prime is 52051400156363. The next prime is 52051400156461. The reversal of 52051400156420 is 2465100415025.

52051400156420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18087434 + ... + 20766753.

It is an arithmetic number, because the mean of its divisors is an integer number (1767321595368).

Almost surely, 252051400156420 is an apocalyptic number.

It is an amenable number.

52051400156420 is an abundant number, since it is smaller than the sum of its proper divisors (75195754710076).

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

52051400156420 is a wasteful number, since it uses less digits than its factorization.

52051400156420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38855577 (or 38855568 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 52051400156420 in words is "fifty-two trillion, fifty-one billion, four hundred million, one hundred fifty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 1367 2734 5468 6835 9569 13670 19138 27340 38276 47845 66983 95690 133966 191380 267932 334915 669830 1339660 38854187 77708374 155416748 194270935 271979309 388541870 543958618 777083740 1087917236 1359896545 1903855163 2719793090 3807710326 5439586180 7615420652 9519275815 19038551630 38077103260 53113673629 106227347258 212454694516 265568368145 371795715403 531136736290 743591430806 1062273472580 1487182861612 1858978577015 2602570007821 3717957154030 5205140015642 7435914308060 10410280031284 13012850039105 26025700078210 52051400156420