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145407400214 = 2109964969127
BaseRepresentation
bin1000011101101011110…
…1001101100100010110
3111220022200200021100012
42013122331031210112
54340243243301324
6150444345120222
713335221336336
oct2073275154426
9456280607305
10145407400214
1156737760a3a
1224220789072
1310933c535ab
14707585d0c6
153bb07ee20e
hex21daf4d916

145407400214 has 16 divisors (see below), whose sum is σ = 220138116000. Its totient is φ = 72028185984.

The previous prime is 145407400189. The next prime is 145407400223. The reversal of 145407400214 is 412004704541.

It is a super-2 number, since 2×1454074002142 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent 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, 2068919 + ... + 2138045.

It is an arithmetic number, because the mean of its divisors is an integer number (13758632250).

Almost surely, 2145407400214 is an apocalyptic number.

145407400214 is a deficient number, since it is larger than the sum of its proper divisors (74730715786).

145407400214 is a wasteful number, since it uses less digits than its factorization.

145407400214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78887.

The product of its (nonzero) digits is 17920, while the sum is 32.

The spelling of 145407400214 in words is "one hundred forty-five billion, four hundred seven million, four hundred thousand, two hundred fourteen".

Divisors: 1 2 109 218 9649 19298 69127 138254 1051741 2103482 7534843 15069686 667006423 1334012846 72703700107 145407400214