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47378926938 = 2371318611219
BaseRepresentation
bin101100001000000000…
…010000110101011010
311112021220210212022210
4230020000100311122
51234013001130223
633433210455550
73265044143220
oct541000206532
9145256725283
1047378926938
1119103195072
1292231345b6
134610a2c115
1424165a4b10
151374700893
hexb08010d5a

47378926938 has 32 divisors (see below), whose sum is σ = 109121379840. Its totient is φ = 13433500080.

The previous prime is 47378926937. The next prime is 47378926939. The reversal of 47378926938 is 83962987374.

It is an interprime number because it is at equal distance from previous prime (47378926937) and next prime (47378926939).

It is not an unprimeable number, because it can be changed into a prime (47378926937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4300108 + ... + 4311111.

It is an arithmetic number, because the mean of its divisors is an integer number (3410043120).

Almost surely, 247378926938 is an apocalyptic number.

47378926938 is an abundant number, since it is smaller than the sum of its proper divisors (61742452902).

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

47378926938 is a wasteful number, since it uses less digits than its factorization.

47378926938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611362.

The product of its digits is 109734912, while the sum is 66.

The spelling of 47378926938 in words is "forty-seven billion, three hundred seventy-eight million, nine hundred twenty-six thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 131 262 393 786 917 1834 2751 5502 8611219 17222438 25833657 51667314 60278533 120557066 180835599 361671198 1128069689 2256139378 3384209067 6768418134 7896487823 15792975646 23689463469 47378926938