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149169102400540 = 2259949749668823
BaseRepresentation
bin100001111010101100100011…
…010111000010110000011100
3201120011102112020001101002101
4201322230203113002300130
5124022441310203304130
61245131201204534444
743264053262532425
oct4172544327026034
9646142466041071
10149169102400540
1143591296524802
1214891b7a6b1424
136530780591611
1428b9b7475664c
15123a36d80d1ca
hex87ab235c2c1c

149169102400540 has 24 divisors (see below), whose sum is σ = 313286601549600. Its totient is φ = 59661643530048.

The previous prime is 149169102400517. The next prime is 149169102400541. The reversal of 149169102400540 is 45004201961941.

It is a super-2 number, since 2×1491691024005402 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149169102400541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374635432 + ... + 375033391.

It is an arithmetic number, because the mean of its divisors is an integer number (13053608397900).

Almost surely, 2149169102400540 is an apocalyptic number.

149169102400540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149169102400540 is an abundant number, since it is smaller than the sum of its proper divisors (164117499149060).

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

149169102400540 is a wasteful number, since it uses less digits than its factorization.

149169102400540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749678781 (or 749678779 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 149169102400540 in words is "one hundred forty-nine trillion, one hundred sixty-nine billion, one hundred two million, four hundred thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 9949 19898 39796 49745 99490 198980 749668823 1499337646 2998675292 3748344115 7496688230 14993376460 7458455120027 14916910240054 29833820480108 37292275600135 74584551200270 149169102400540