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2021001131232 = 253251607135977
BaseRepresentation
bin11101011010001101000…
…011011111010011100000
321011012120001011212002100
4131122031003133103200
5231103002242144412
64144233552050400
7266004202113636
oct35321503372340
97135501155070
102021001131232
1170a1134a6596
12287825233a00
1311876c484045
146db61ad9356
1537886a9eedc
hex1d68d0df4e0

2021001131232 has 72 divisors (see below), whose sum is σ = 5747375599056. Its totient is φ = 673649035776.

The previous prime is 2021001131213. The next prime is 2021001131251. The reversal of 2021001131232 is 2321311001202.

2021001131232 is a `hidden beast` number, since 202 + 100 + 1 + 131 + 232 = 666.

It is an interprime number because it is at equal distance from previous prime (2021001131213) and next prime (2021001131251).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14794828 + ... + 14930804.

It is an arithmetic number, because the mean of its divisors is an integer number (79824661098).

Almost surely, 22021001131232 is an apocalyptic number.

It is an amenable number.

2021001131232 is an abundant number, since it is smaller than the sum of its proper divisors (3726374467824).

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

2021001131232 is a wasteful number, since it uses less digits than its factorization.

2021001131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187600 (or 187589 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2021001131232 its reverse (2321311001202), we get a palindrome (4342312132434).

The spelling of 2021001131232 in words is "two trillion, twenty-one billion, one million, one hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 51607 103214 135977 154821 206428 271954 309642 407931 412856 464463 543908 619284 815862 825712 928926 1087816 1223793 1238568 1631724 1651424 1857852 2175632 2447586 2477136 3263448 3715704 4351264 4895172 4954272 6526896 7431408 9790344 13053792 14862816 19580688 39161376 7017365039 14034730078 21052095117 28069460156 42104190234 56138920312 63156285351 84208380468 112277840624 126312570702 168416760936 224555681248 252625141404 336833521872 505250282808 673667043744 1010500565616 2021001131232