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31427784201914 = 2491913999228197
BaseRepresentation
bin1110010010101010110011…
…11010011101011010111010
311010021110121022120020210022
413021111121322131122322
513104403100223430124
6150501420313450442
76422403535020332
oct711253172353272
9133243538506708
1031427784201914
11a0174a2952491
123636ab9410a22
13146c820337b89
147a9181a100c2
15397797274c5e
hex1c9559e9d6ba

31427784201914 has 16 divisors (see below), whose sum is σ = 47154834720000. Its totient is φ = 15709506456144.

The previous prime is 31427784201901. The next prime is 31427784201937. The reversal of 31427784201914 is 41910248772413.

It is a super-3 number, since 3×314277842019143 (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137608064 + ... + 137836260.

It is an arithmetic number, because the mean of its divisors is an integer number (2947177170000).

Almost surely, 231427784201914 is an apocalyptic number.

31427784201914 is a deficient number, since it is larger than the sum of its proper divisors (15727050518086).

31427784201914 is a wasteful number, since it uses less digits than its factorization.

31427784201914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247117.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 31427784201914 in words is "thirty-one trillion, four hundred twenty-seven billion, seven hundred eighty-four million, two hundred one thousand, nine hundred fourteen".

Divisors: 1 2 4919 9838 13999 27998 228197 456394 68861081 137722162 1122501043 2245002086 3194529803 6389059606 15713892100957 31427784201914