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274148809980 = 223536771242629
BaseRepresentation
bin1111111101010010001…
…0101101110011111100
3222012121220100111201220
43333110202231303330
513442424043404410
6325535304233340
725543443302403
oct3772442556374
9865556314656
10274148809980
11a62a1946651
124516ba6b850
131cb1015b576
14d3a9b0663a
1571e7e02070
hex3fd48adcfc

274148809980 has 48 divisors (see below), whose sum is σ = 767826047520. Its totient is φ = 73086408448.

The previous prime is 274148809967. The next prime is 274148809993. The reversal of 274148809980 is 89908841472.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (274148809967) and next prime (274148809993).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400695 + ... + 841934.

It is an arithmetic number, because the mean of its divisors is an integer number (15996375990).

Almost surely, 2274148809980 is an apocalyptic number.

274148809980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274148809980 is an abundant number, since it is smaller than the sum of its proper divisors (493677237540).

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

274148809980 is a wasteful number, since it uses less digits than its factorization.

274148809980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246318 (or 1246316 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 60.

It can be divided in two parts, 274148 and 809980, that added together give a triangular number (1084128 = T1472).

The spelling of 274148809980 in words is "two hundred seventy-four billion, one hundred forty-eight million, eight hundred nine thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3677 7354 11031 14708 18385 22062 36770 44124 55155 73540 110310 220620 1242629 2485258 3727887 4970516 6213145 7455774 12426290 14911548 18639435 24852580 37278870 74557740 4569146833 9138293666 13707440499 18276587332 22845734165 27414880998 45691468330 54829761996 68537202495 91382936660 137074404990 274148809980