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42750970470 = 23251336539291
BaseRepresentation
bin100111110100001010…
…000000101001100110
311002100101111022112200
4213310022000221212
51200023222023340
631350045355330
73042260152605
oct476412005146
9132311438480
1042750970470
111714889895a
128351268b46
134053ca4040
1420d7aaba3c
1511a3289330
hex9f4280a66

42750970470 has 48 divisors (see below), whose sum is σ = 119702720592. Its totient is φ = 10523315520.

The previous prime is 42750970459. The next prime is 42750970489. The reversal of 42750970470 is 7407905724.

42750970470 is a `hidden beast` number, since 4 + 2 + 7 + 509 + 70 + 4 + 70 = 666.

It is a super-3 number, since 3×427509704703 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 18268476 + ... + 18270815.

It is an arithmetic number, because the mean of its divisors is an integer number (2493806679).

Almost surely, 242750970470 is an apocalyptic number.

42750970470 is an abundant number, since it is smaller than the sum of its proper divisors (76951750122).

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

42750970470 is a wasteful number, since it uses less digits than its factorization.

42750970470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36539317 (or 36539314 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 42750970470 in words is "forty-two billion, seven hundred fifty million, nine hundred seventy thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 36539291 73078582 109617873 182696455 219235746 328853619 365392910 475010783 548089365 657707238 950021566 1096178730 1425032349 1644268095 2375053915 2850064698 3288536190 4275097047 4750107830 7125161745 8550194094 14250323490 21375485235 42750970470