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42907250430 = 23251143340657
BaseRepresentation
bin100111111101011110…
…001010111011111110
311002202021120011100100
4213331132022323332
51200333224003210
631413351141530
73046165416402
oct477536127376
9132667504310
1042907250430
111721902a350
1283956748a6
13407a4914a5
14211074d102
1511b1d595c0
hex9fd78aefe

42907250430 has 48 divisors (see below), whose sum is σ = 121700567664. Its totient is φ = 10401757440.

The previous prime is 42907250359. The next prime is 42907250461. The reversal of 42907250430 is 3405270924.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21669339 + ... + 21671318.

It is an arithmetic number, because the mean of its divisors is an integer number (2535428493).

Almost surely, 242907250430 is an apocalyptic number.

42907250430 is an abundant number, since it is smaller than the sum of its proper divisors (78793317234).

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

42907250430 is a wasteful number, since it uses less digits than its factorization.

42907250430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43340681 (or 43340678 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 42907250430 in words is "forty-two billion, nine hundred seven million, two hundred fifty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 43340657 86681314 130021971 216703285 260043942 390065913 433406570 476747227 650109855 780131826 953494454 1300219710 1430241681 1950329565 2383736135 2860483362 3900659130 4290725043 4767472270 7151208405 8581450086 14302416810 21453625215 42907250430