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42952073429 = 107401421247
BaseRepresentation
bin101000000000001001…
…001010000011010101
311002212101220101221102
4220000021022003111
51200431212322204
631422031555445
73050251412606
oct500011120325
9132771811842
1042952073429
1117241364551
1283a868bb85
134086856385
142116699dad
1511b5c6041e
hexa0024a0d5

42952073429 has 4 divisors (see below), whose sum is σ = 43353494784. Its totient is φ = 42550652076.

The previous prime is 42952073407. The next prime is 42952073443. The reversal of 42952073429 is 92437025924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42952073429 - 228 = 42683637973 is a prime.

It is a super-2 number, since 2×429520734292 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42952073459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200710517 + ... + 200710730.

It is an arithmetic number, because the mean of its divisors is an integer number (10838373696).

Almost surely, 242952073429 is an apocalyptic number.

It is an amenable number.

42952073429 is a deficient number, since it is larger than the sum of its proper divisors (401421355).

42952073429 is a wasteful number, since it uses less digits than its factorization.

42952073429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401421354.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 42952073429 in words is "forty-two billion, nine hundred fifty-two million, seventy-three thousand, four hundred twenty-nine".

Divisors: 1 107 401421247 42952073429