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16720101307 = 7131712785103
BaseRepresentation
bin11111001001001100…
…00111111110111011
31121011020211011002101
433210212013332323
5233220321220212
611403041444231
71131224342020
oct174446077673
947136734071
1016720101307
117100074648
1232a7640677
131766012b90
14b4885d547
1567cd39157
hex3e4987fbb

16720101307 has 32 divisors (see below), whose sum is σ = 21960916992. Its totient is φ = 12352725504.

The previous prime is 16720101287. The next prime is 16720101353. The reversal of 16720101307 is 70310102761.

It is not a de Polignac number, because 16720101307 - 27 = 16720101179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16720101907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153918 + ... + 239020.

It is an arithmetic number, because the mean of its divisors is an integer number (686278656).

Almost surely, 216720101307 is an apocalyptic number.

16720101307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16720101307 is a deficient number, since it is larger than the sum of its proper divisors (5240815685).

16720101307 is a wasteful number, since it uses less digits than its factorization.

16720101307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85267.

The product of its (nonzero) digits is 1764, while the sum is 28.

The spelling of 16720101307 in words is "sixteen billion, seven hundred twenty million, one hundred one thousand, three hundred seven".

Divisors: 1 7 13 17 91 119 127 221 889 1547 1651 2159 11557 15113 28067 85103 196469 595721 1106339 1446751 7744373 10127257 10808081 18807763 75656567 131654341 140505053 183737377 983535371 1286161639 2388585901 16720101307