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145436611363631 = 7737391163331153
BaseRepresentation
bin100001000100011000011001…
…100011101100001100101111
3201001221121022111200000021222
4201010120121203230030233
5123030313140002114011
61233152353520213555
742430306544304560
oct4104303143541457
9631847274600258
10145436611363631
1142382358654515
121438a70aa6a2bb
13631c7c911ab73
1427cb253354167
1511c321787cddb
hex8446198ec32f

145436611363631 has 32 divisors (see below), whose sum is σ = 168863743188480. Its totient is φ = 122679958109184.

The previous prime is 145436611363609. The next prime is 145436611363699. The reversal of 145436611363631 is 136363116634541.

It is not a de Polignac number, because 145436611363631 - 246 = 75067867185967 is a prime.

It is a super-2 number, since 2×1454366113636312 (a number of 29 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 (145436611363601) 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, 439016951 + ... + 439348103.

It is an arithmetic number, because the mean of its divisors is an integer number (5276991974640).

Almost surely, 2145436611363631 is an apocalyptic number.

145436611363631 is a deficient number, since it is larger than the sum of its proper divisors (23427131824849).

145436611363631 is a wasteful number, since it uses less digits than its factorization.

145436611363631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333135.

The product of its digits is 8398080, while the sum is 53.

The spelling of 145436611363631 in words is "one hundred forty-five trillion, four hundred thirty-six billion, six hundred eleven million, three hundred sixty-three thousand, six hundred thirty-one".

Divisors: 1 7 73 511 739 1163 5173 8141 53947 84899 331153 377629 594293 859457 2318071 6016199 24174169 62740361 169219183 244722067 385130939 439182527 1713054469 2695916573 17864710891 28114558547 125052976237 196801909829 284611763921 1992282347447 20776658766233 145436611363631